reviews: This is a great replacement for a dead exercise bike computer. Buying a new computer will cost you $50+, but with some careful measuring (of wheel diameter) and tinkering with settings, this $6.50 computer will perform all the same functions!

reviews: I'm delighted!rnrnBattery came installed and set for 26" wheel.rnrnMount the holder, put the magnet and sensor on. rnrnRide.rnrnI like SCAN mode as it shows a rotation display.rnAll that is missing in the rotation is time of day....rnrnIt throws off rain and performed in 45C in the shadernWhile in the full sun.rnrnAccurate readings.rnrnI like the Grand Total counters to help me understand tire wear, etc